WO2010032992A3 - Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치 - Google Patents

Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치 Download PDF

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Publication number
WO2010032992A3
WO2010032992A3 PCT/KR2009/005340 KR2009005340W WO2010032992A3 WO 2010032992 A3 WO2010032992 A3 WO 2010032992A3 KR 2009005340 W KR2009005340 W KR 2009005340W WO 2010032992 A3 WO2010032992 A3 WO 2010032992A3
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WO
WIPO (PCT)
Prior art keywords
coder
hetero
discrete cosine
encoding apparatus
cosine transform
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PCT/KR2009/005340
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English (en)
French (fr)
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WO2010032992A2 (ko
Inventor
백승권
이태진
김민제
장대영
강경옥
홍진우
박호종
박영철
Original Assignee
한국전자통신연구원
광운대학교 산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 한국전자통신연구원, 광운대학교 산학협력단 filed Critical 한국전자통신연구원
Priority to US13/057,832 priority Critical patent/US9773505B2/en
Priority to EP09814808.3A priority patent/EP2339577B1/en
Priority to ES09814808.3T priority patent/ES2671711T3/es
Priority to EP18162769.6A priority patent/EP3373297B1/en
Priority to CN200980145832XA priority patent/CN102216982A/zh
Publication of WO2010032992A2 publication Critical patent/WO2010032992A2/ko
Publication of WO2010032992A3 publication Critical patent/WO2010032992A3/ko
Priority to US15/714,273 priority patent/US11062718B2/en
Priority to US17/373,243 priority patent/US20220005486A1/en

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes

Abstract

MDCT기반의 코더(205)와 이종의 코더(204) 간 변환에서의 인코딩 장치(101) 및 디코딩 장치가 개시된다. 인코딩 장치(101)는 MDCT기반의 코더(205)와 이종의 코더(204) 간에 변환이 발생할때, MDCT기반의 코딩방식에 따라 인코딩된 입력신호를 복원하기 위해 부가정보를 코딩할 수 있다. 따라서, 불필요한 비트스트림의 생성을 방지하는 한편, 최소한의 부가정보를 인코딩할 수 있다.
PCT/KR2009/005340 2008-09-18 2009-09-18 Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치 WO2010032992A2 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US13/057,832 US9773505B2 (en) 2008-09-18 2009-09-18 Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and different coder
EP09814808.3A EP2339577B1 (en) 2008-09-18 2009-09-18 Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder
ES09814808.3T ES2671711T3 (es) 2008-09-18 2009-09-18 Aparato de codificación y aparato de decodificación para transformar entre codificador basado en transformada de coseno discreta modificada y hetero codificador
EP18162769.6A EP3373297B1 (en) 2008-09-18 2009-09-18 Decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder
CN200980145832XA CN102216982A (zh) 2008-09-18 2009-09-18 在基于修正离散余弦变换的译码器与异质译码器间转换的编码设备和解码设备
US15/714,273 US11062718B2 (en) 2008-09-18 2017-09-25 Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and different coder
US17/373,243 US20220005486A1 (en) 2008-09-18 2021-07-12 Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and different coder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20080091697 2008-09-18
KR10-2008-0091697 2008-09-18

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/057,832 A-371-Of-International US9773505B2 (en) 2008-09-18 2009-09-18 Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and different coder
US15/714,273 Continuation US11062718B2 (en) 2008-09-18 2017-09-25 Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and different coder

Publications (2)

Publication Number Publication Date
WO2010032992A2 WO2010032992A2 (ko) 2010-03-25
WO2010032992A3 true WO2010032992A3 (ko) 2010-11-04

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US (3) US9773505B2 (ko)
EP (2) EP2339577B1 (ko)
KR (8) KR101670063B1 (ko)
CN (2) CN102216982A (ko)
ES (1) ES2671711T3 (ko)
WO (1) WO2010032992A2 (ko)

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Also Published As

Publication number Publication date
US11062718B2 (en) 2021-07-13
KR102053924B1 (ko) 2019-12-09
KR20210012031A (ko) 2021-02-02
EP2339577A2 (en) 2011-06-29
US20180130478A1 (en) 2018-05-10
US20110137663A1 (en) 2011-06-09
KR20170126426A (ko) 2017-11-17
KR102322867B1 (ko) 2021-11-10
KR20160126950A (ko) 2016-11-02
US20220005486A1 (en) 2022-01-06
KR20240041305A (ko) 2024-03-29
ES2671711T3 (es) 2018-06-08
EP2339577A4 (en) 2012-05-23
EP2339577B1 (en) 2018-03-21
KR101670063B1 (ko) 2016-10-28
KR20190137745A (ko) 2019-12-11
KR101797228B1 (ko) 2017-11-13
US9773505B2 (en) 2017-09-26
KR20180129751A (ko) 2018-12-05
EP3373297B1 (en) 2023-12-06
KR102209837B1 (ko) 2021-01-29
CN102216982A (zh) 2011-10-12
WO2010032992A2 (ko) 2010-03-25
KR101925611B1 (ko) 2018-12-05
KR20210134564A (ko) 2021-11-10
EP3373297A1 (en) 2018-09-12
CN104240713A (zh) 2014-12-24
KR20100032843A (ko) 2010-03-26

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